Which of the following sentences about those international tests are true except （）?
A:According to TOEFL, test takes can take the test only once in any 12-day period.　
B:GRE General Test aims to measure the test takers’ verbal reasoning, quantitative reasoning, analytical writing, and critical thinking skills.　
C:Paper-based SAT Test is offered by ETS five times a year.　
D:The score of GRE that a test taker gets can be hold valid for five years.